Finding the Fourth Proportional to 21,638,004.68, 32,463,074.92 and 8,693,245.32
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Solution
The fourth proportional to 21,638,004.68, 32,463,074.92 and 8,693,245.32 is: 13,042,305.80
Step by Step Solution
- Step 1: Write the proportion equation
21,638,004.68 : 32,463,074.92 = 8,693,245.32 : x - Step 2: Convert to fraction form
21,638,004.68/32,463,074.92 = 8,693,245.32/x - Step 3: Cross multiply
21,638,004.68x = 32,463,074.92 × 8,693,245.32 - Step 4: Simplify right side
21,638,004.68x = 282,209,473,993,929.56 - Step 5: Solve for x
x = 282,209,473,993,929.56/21,638,004.68 - Step 6: Final answer
x = 13,042,305.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.